/Engine/Source/Runtime/Engine/Public/WorldPartition/WorldPartitionRuntimeSpatialHash.h
virtual bool GenerateHLOD ( [ISourceControlHelper](API\Runtime\Engine\WorldPartition\ISourceControlHelper) * SourceControlHelper, const [IStreamingGenerationContext](API\Runtime\Engine\WorldPartition\IStreamingGenerationContext) * StreamingGenerationContext, bool bCreateActorsOnly ) const